Free Linux Foundation OTCA Exam Questions

Become Linux Foundation Certified with updated OTCA exam questions and correct answers

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Total 354 Questions | Updated On: Apr 22, 2026

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Question 1

In an ExponentialHistogram, how are negative values handled?

A : Negative values are mapped by their absolute value into a separate negative range using the same scale as the positive range.

B : Negative values are ignored and not represented in the histogram.

C : Negative values are stored in the same buckets as positive values but with negative counts.

D : Negative values are combined with positive values in a single range.

Answer: A

Question 2

You have a root span representing an HTTP request and a child span representing a database query executed as part of handling that request. How should the child span reference its parent span?

A : By setting the child span's Trace ID to match the parent span's Trace ID

B : By creating a new Trace ID for the child span

C : By setting the child span's parent_id to the parent span's Span ID

D : By leaving the parent_id field empty in the child span

Answer: C

Question 3

How does the trace_id attribute function within multiple spans of a single trace?

A : trace_id changes for each new service involved in the trace.

B : Each span in a trace has a unique trace_id.

C : trace_id is only present in the root span.

D : All spans in a trace share the same trace_id to associate them with the same trace.

Answer: D

Question 4

Which characteristic distinguishes the OpenTelemetry API from the SDK in terms of stability?

A : The API has more frequent updates compared to the SDK.

B : The SDK is more stable with less frequent updates compared to the API.

C : Both API and SDK have similar stability and update frequencies.

D : The API is more stable with less frequent updates compared to the SDK.

Answer: D

Question 5

Which of the following best describes how OpenTelemetry ensures uniform enrichment of logs, traces, and metrics?

A : By defining a common set of attribute names and values applied uniformly across all telemetry signals.

B : By enforcing that only logs are enriched with additional attributes.

C : By requiring applications to manually add the same attributes to logs, traces, and metrics.

D : By using separate enrichment processes for each telemetry signal.

Answer: A

Page: 1 / 71

Total 354 Questions | Updated On: Apr 22, 2026

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